Meryl Streep is making the most of the time she has with her six grandchildren Only Murders In The Building star Meryl Streep is hoping her children give her more grandkids in the future. 8 April 2026 Meryl Streep hopes to have more grandchildren in the future. Meryl Streep wants more grandchildren The 76-year-old actress - who already has six grandkids all under the age of six - wants to make the most of the time she has with her family, particularly as she gets older.